intracavity absorption spectroscopy

intracavity absorption spectroscopy

[¦in·trə′kav·əd·ē əb¦sȯrp·shən spek′träs·kə·pē]
(spectroscopy)
A highly sensitive technique in which an absorbing sample is placed inside the resonator of a broad-band dye laser, and absorption lines are detected as dips in the laser emission spectrum.
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